Loss of all-wheel drive on 4Motion models due to the Gen 5 Haldex pump mesh becoming clogged with oil sludge, leading to pump failure.
- Typically appears
- 30,000-40,000 miles
- What to inspect
- Check the service history for Haldex oil changes. On a forecourt test drive, apply heavy throttle from a standstill on a damp surface; excessive front wheel spin or tramp indicates Haldex failure.
